C51 COMPILER V7.20   LED                                                                   11/17/2006 23:33:38 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN LED.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE LED.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*******************************************************
   2                              
   3                            LED流水燈實驗
   4                 
   5                     網址:http://www.kaifaban.com
   6          
   7          *******************************************************/
   8          
   9          #include <reg51.h>
  10          #include <intrins.h>
  11          #define  uint unsigned int
  12          #define  uchar unsigned char
  13          sbit DsySelect=P3^7; //控制LED的74HC244所在IO口
  14          //延時子程序
  15          void delay(uchar ms){                                           
  16   1      uchar i;
  17   1      while(ms--)
  18   1      {
  19   2      for(i=0;i<125;i++);
  20   2      }
  21   1      }
  22          
  23          main(){
  24   1      uchar led=0xfe;
  25   1      DsySelect=0;//打開LED
  26   1      while(1){
  27   2      led=_crol_(led,1);   //循環左移
  28   2      delay(200);
  29   2      P0=led;
  30   2      }
  31   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     43    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)